:root {
    --color-primary: #e61616;
    --color-bg: #f5f5f5;
    --color-dark: #1a1a2e;
    --color-text: #333333;
    --color-white: #ffffff;
    --color-hover: #156aea;
    --color-accent-light: #fef2f2;
    --color-border: #e0e0e0;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 1100px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-padding-top: 80px; /* Platz für den sticky Header */
}

@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 16px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--color-hover);
}

/* Header */
header {
    background: var(--color-dark);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-white);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #4a5a8a, #2d3a5c);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

nav a {
    color: #ccc;
    margin-left: 28px;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--color-white);
}

/* Hero */
.hero {
    background: linear-gradient(160deg, var(--color-dark) 0%, #16213e 50%, #0f3460 100%);
    padding: 100px 24px 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom right, transparent 49.5%, var(--color-bg) 50%);
}

.hero h1 {
    color: var(--color-white);
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero h1 span {
    color: var(--color-primary);
}

.hero p {
    color: #b0b8c8;
    font-size: 19px;
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #c91212;
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(230, 22, 22, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--color-white);
    color: var(--color-white);
    transform: translateY(-1px);
}

/* Sections */
section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px;
}

.section-title {
    text-align: center;
    margin-bottom: 52px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-title p {
    color: #666;
    font-size: 17px;
    max-width: 560px;
    margin: 0 auto;
}

.section-title .accent-line {
    width: 50px;
    height: 3px;
    background: var(--color-primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--color-white);
    border-radius: 10px;
    padding: 32px 28px;
    border: 1px solid var(--color-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.feature-card p {
    color: #666;
    font-size: 14.5px;
    line-height: 1.65;
}

/* Variants Section */
.variants-section {
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.variants-section section {
    padding: 80px 24px;
}

.variants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.variant-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: 10px;
    border: 2px solid var(--color-border);
    transition: border-color 0.2s;
}

.variant-card:hover {
    border-color: var(--color-primary);
}

.variant-card .format {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.variant-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.variant-card .codec {
    font-size: 13px;
    color: #999;
    margin-bottom: 14px;
}

.variant-card .res {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* Tech Stack */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.tech-item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    transition: transform 0.2s;
}

.tech-item:hover {
    transform: translateY(-2px);
}

.tech-item .tech-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.tech-item .tech-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--color-dark);
}

.tech-item .tech-desc {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}

/* Requirements */
.req-list {
    max-width: 600px;
    margin: 0 auto;
}

.req-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
}

.req-item:last-child {
    border-bottom: none;
}

.req-check {
    color: var(--color-primary);
    font-size: 18px;
    font-weight: 700;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(160deg, var(--color-dark), #0f3460);
    padding: 80px 24px;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    color: #b0b8c8;
    font-size: 17px;
    max-width: 500px;
    margin: 0 auto 32px;
}

.coming-soon {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 20px 48px;
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    background: rgba(230, 22, 22, 0.12);
    box-shadow: 0 0 32px rgba(230, 22, 22, 0.25);
}

.coming-soon-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #ff8a8a;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.coming-soon-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}

.coming-soon-title {
    color: var(--color-white);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

@media (prefers-reduced-motion: no-preference) {
    .coming-soon-dot {
        animation: coming-soon-pulse 1.8s ease-in-out infinite;
    }
}

@keyframes coming-soon-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.7); }
}

/* Footer */
footer {
    background: var(--color-dark);
    padding: 40px 24px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-links {
    margin-bottom: 16px;
}

.footer-links a {
    color: #888;
    font-size: 13px;
    margin: 0 14px;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-copy {
    color: #555;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 30px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .variants-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .variants-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Unterseiten (Impressum, Datenschutz, Support) */
.page-head {
    background: linear-gradient(160deg, var(--color-dark) 0%, #16213e 50%, #0f3460 100%);
    padding: 56px 24px 48px;
    text-align: center;
}
.page-head h1 {
    color: var(--color-white);
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.legal {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px 72px;
}
.legal h2 {
    font-size: 22px;
    color: var(--color-dark);
    margin: 36px 0 12px;
}
.legal h3 {
    font-size: 17px;
    color: var(--color-dark);
    margin: 24px 0 8px;
}
.legal p, .legal ul, .legal address {
    margin-bottom: 14px;
    font-style: normal;
}
.legal ul {
    padding-left: 22px;
}
.legal .stand {
    color: #777;
    font-size: 14px;
}
.legal details {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 12px;
}
.legal summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-dark);
}
.legal details p {
    margin: 12px 0 0;
}
.contact-box {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}
.contact-box a.mail {
    font-size: 20px;
    font-weight: 700;
}
.skip-link {
    position: absolute;
    left: -9999px;
}
.skip-link:focus {
    left: 12px;
    top: 12px;
    background: var(--color-white);
    padding: 8px 12px;
    z-index: 200;
}

.logo:hover {
    color: var(--color-white);
}